.Marketingbox{
    width: 100%;
    height: 500px;
    background: #fff;
}



.tab-container {
    width: 400px; /* 根据需要调整宽度 */
}

.tabs {
    display: flex;
    position: relative;
}

.tab {
    flex: 1;
    padding: 10px;
    background: #ccc;
    border: none;
    cursor: pointer;
    position: relative;
    transition: background 0.3s;
}

.tab.active {
    background: #007BFF;
    color: white;
}

.indicator {
    position: absolute;
    bottom: 0;
    height: 2px;
    width: 100%;
    background: #007BFF;
    transition: left 0.3s;
}

.content {
    margin-top: 20px;
    padding: 20px;
    border: 1px solid #ccc;
    background: #f9f9f9;
}